<template>
  <div>
    <div class="search-con">
      <input
        type="text"
        class="search-input"
        v-model="keyword"
        placeholder="输入城市名或拼音"
      />
    </div>
    <scroll
      ref="scroll"
      class="wrapper"
      :data1="list"
      :probeType="2"
      v-show="keyword"
    >
      <div class="search-content" ref="search-con" v-show="keyword">
        <ul>
          <li
            class="search-item border-bottom"
            v-for="item in list"
            :key="item.id"
            @click="clickHandler(item.name)"
          >
            {{ item.name }}
          </li>
          <!-- <li class="search-item" v-show="noData">
            没有找到匹配数据
          </li> -->
        </ul>
      </div>
      <div class="box" v-show="noData">
        <div class="box__ghost">
          <div class="symbol"></div>
          <div class="symbol"></div>
          <div class="symbol"></div>
          <div class="symbol"></div>
          <div class="symbol"></div>
          <div class="symbol"></div>

          <div class="box__ghost-container">
            <div class="box__ghost-eyes">
              <div class="box__eye-left"></div>
              <div class="box__eye-right"></div>
            </div>
            <div class="box__ghost-bottom">
              <div></div>
              <div></div>
              <div></div>
              <div></div>
              <div></div>
            </div>
          </div>
          <div class="box__ghost-shadow"></div>
        </div>
        <div class="box__description">
          <div class="box__description-container">
            <div class="box__description-title">对不起！</div>
            <div class="box__description-text">没有找到匹配数据</div>
          </div>
        </div>
      </div>
    </scroll>
  </div>
</template>

<script scoped>
import Scroll from 'components/common/scroll/Scroll'
import { mapMutations } from 'vuex'
export default {
  name: 'HeaderSearch',
  props: {
    cities: {
      type: Object,
      default () {
        return {}
      }
    }
  },
  data () {
    return {
      keyword: '',
      list: [],
      timer: null,
      noData: false
    }
  },
  watch: {
    keyword () {
      if (this.timer) {
        clearTimeout(this.timer)
      }
      if (!this.keyword) {
        this.list = []
        return
      }
      this.timer = setTimeout(() => {
        const result = []
        for (const i in this.cities) {
          this.cities[i].forEach(value => {
            if (
              value.spell.indexOf(this.keyword) > -1 ||
              value.name.indexOf(this.keyword) > -1
            ) {
              result.push(value)
            }
          })
        }
        const len = result.length
        this.noData = !len
        this.list = result
      }, 20)
    }
  },
  computed: {
  },
  methods: {
    clickHandler (city) {
      this.changeCity(city)
      this.$router.push('/')
    },
    ...mapMutations(['changeCity'])
  },
  components: {
    Scroll
  }
}
</script>

<style lang='less' scoped>
.search-con {
  position: relative;
  width: 100%;
  height: 100%;
  padding: 0 0.1rem;
  background-color: @bgColor;
  z-index: 3;
}
.search-input {
  width: 100%;
  height: 0.62rem;
  line-height: 0.62rem;
  padding: 0 0.1rem;
  text-align: center;
  border-radius: 0.06rem;
  color: #666;
}
.wrapper {
  position: absolute;
  // top: 0.74rem;
  width: 100%;
  height: calc(100% - 1.58rem);
  background-color: #fff;
  z-index: 1;
}
.search-content {
  .search-item {
    width: 100%;
    line-height: 0.62rem;
    padding-left: 0.2rem;
    background-color: #fff;
    color: #666;
  }
}
// 无数据显示
.box {
  width: 100%;
  height: 100%;
  background: #bff7d4;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
}
.box .box__ghost {
  padding: 15px 25px 25px;
  position: absolute;
  left: 50%;
  top: 30%;
  transform: translate(-50%, -30%);
}
.box .box__ghost .symbol:nth-child(1) {
  opacity: .2;
  animation: shine 4s ease-in-out 3s infinite;
}
.box .box__ghost .symbol:nth-child(1):before, .box .box__ghost .symbol:nth-child(1):after {
  content: '';
  width: 12px;
  height: 4px;
  background: #fff;
  position: absolute;
  border-radius: 5px;
  bottom: 65px;
  left: 0;
}
.box .box__ghost .symbol:nth-child(1):before {
  transform: rotate(45deg);
}
.box .box__ghost .symbol:nth-child(1):after {
  transform: rotate(-45deg);
}
.box .box__ghost .symbol:nth-child(2) {
  position: absolute;
  left: -5px;
  top: 30px;
  height: 18px;
  width: 18px;
  border: 4px solid;
  border-radius: 50%;
  border-color: #fff;
  opacity: .2;
  animation: shine 4s ease-in-out 1.3s infinite;
}
.box .box__ghost .symbol:nth-child(3) {
  opacity: .2;
  animation: shine 3s ease-in-out .5s infinite;
}
.box .box__ghost .symbol:nth-child(3):before, .box .box__ghost .symbol:nth-child(3):after {
  content: '';
  width: 12px;
  height: 4px;
  background: #fff;
  position: absolute;
  border-radius: 5px;
  top: 5px;
  left: 40px;
}
.box .box__ghost .symbol:nth-child(3):before {
  transform: rotate(90deg);
}
.box .box__ghost .symbol:nth-child(3):after {
  transform: rotate(180deg);
}
.box .box__ghost .symbol:nth-child(4) {
  opacity: .2;
  animation: shine 6s ease-in-out 1.6s infinite;
}
.box .box__ghost .symbol:nth-child(4):before, .box .box__ghost .symbol:nth-child(4):after {
  content: '';
  width: 15px;
  height: 4px;
  background: #fff;
  position: absolute;
  border-radius: 5px;
  top: 10px;
  right: 30px;
}
.box .box__ghost .symbol:nth-child(4):before {
  transform: rotate(45deg);
}
.box .box__ghost .symbol:nth-child(4):after {
  transform: rotate(-45deg);
}
.box .box__ghost .symbol:nth-child(5) {
  position: absolute;
  right: 5px;
  top: 40px;
  height: 12px;
  width: 12px;
  border: 3px solid;
  border-radius: 50%;
  border-color: #fff;
  opacity: .2;
  animation: shine 1.7s ease-in-out 7s infinite;
}
.box .box__ghost .symbol:nth-child(6) {
  opacity: .2;
  animation: shine 2s ease-in-out 6s infinite;
}
.box .box__ghost .symbol:nth-child(6):before, .box .box__ghost .symbol:nth-child(6):after {
  content: '';
  width: 15px;
  height: 4px;
  background: #fff;
  position: absolute;
  border-radius: 5px;
  bottom: 65px;
  right: -5px;
}
.box .box__ghost .symbol:nth-child(6):before {
  transform: rotate(90deg);
}
.box .box__ghost .symbol:nth-child(6):after {
  transform: rotate(180deg);
}
.box .box__ghost .box__ghost-container {
  background: #fff;
  width: 100px;
  height: 100px;
  border-radius: 100px 100px 0 0;
  position: relative;
  margin: 0 auto;
  animation: upndown 3s ease-in-out infinite;
}
.box .box__ghost .box__ghost-container .box__ghost-eyes {
  position: absolute;
  left: 50%;
  top: 45%;
  height: 12px;
  width: 70px;
}
.box .box__ghost .box__ghost-container .box__ghost-eyes .box__eye-left {
  width: 12px;
  height: 12px;
  background: #bff7d4;
  border-radius: 50%;
  margin: 0 10px;
  position: absolute;
  left: 0;
}
.box .box__ghost .box__ghost-container .box__ghost-eyes .box__eye-right {
  width: 12px;
  height: 12px;
  background: #bff7d4;
  border-radius: 50%;
  margin: 0 10px;
  position: absolute;
  right: 0;
}
.box .box__ghost .box__ghost-container .box__ghost-bottom {
  display: flex;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
}
.box .box__ghost .box__ghost-container .box__ghost-bottom div {
  flex-grow: 1;
  position: relative;
  top: -10px;
  height: 20px;
  border-radius: 100%;
  background-color: #fff;
}
.box .box__ghost .box__ghost-container .box__ghost-bottom div:nth-child(2n) {
  top: -12px;
  margin: 0 -0px;
  border-top: 15px solid #bff7d4;
  background: transparent;
}
.box .box__ghost .box__ghost-shadow {
  height: 20px;
  box-shadow: 0 50px 15px 5px #bff7d4;
  border-radius: 50%;
  margin: 0 auto;
  animation: smallnbig 3s ease-in-out infinite;
}
.box .box__description {
  position: absolute;
  top: 6.18rem;
  left: 50%;
  transform: translateX(-50%);
}
.box .box__description .box__description-container {
  color: #fff;
  text-align: center;
  width: 200px;
  font-size: 16px;
  margin: 0 auto;
}
.box .box__description .box__description-container .box__description-title {
  font-size: 24px;
  letter-spacing: .5px;
}
.box .box__description .box__description-container .box__description-text {
  color: #8C8AA7;
  line-height: 20px;
  margin-top: 20px;
}
.box .box__description .box__button {
  display: block;
  position: relative;
  background: #FF5E65;
  border: 1px solid transparent;
  border-radius: 50px;
  height: 50px;
  text-align: center;
  text-decoration: none;
  color: #fff;
  line-height: 50px;
  font-size: 18px;
  padding: 0 70px;
  white-space: nowrap;
  margin-top: 25px;
  transition: background .5s ease;
  overflow: hidden;
}
.box .box__description .box__button:before {
  content: '';
  position: absolute;
  width: 20px;
  height: 100px;
  background: #fff;
  bottom: -25px;
  left: 0;
  border: 2px solid #fff;
  transform: translateX(-50px) rotate(45deg);
  transition: transform .5s ease;
}
.box .box__description .box__button:hover {
  background: transparent;
  border-color: #fff;
}
.box .box__description .box__button:hover:before {
  transform: translateX(250px) rotate(45deg);
}

@keyframes upndown {
  0% {
    transform: translateY(5px);
  }
  50% {
    transform: translateY(15px);
  }
  100% {
    transform: translateY(5px);
  }
}
@keyframes smallnbig {
  0% {
    width: 90px;
  }
  50% {
    width: 100px;
  }
  100% {
    width: 90px;
  }
}
@keyframes shine {
  0% {
    opacity: .2;
  }
  25% {
    opacity: .1;
  }
  50% {
    opacity: .2;
  }
  100% {
    opacity: .2;
  }
}
</style>
